Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.129613E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:39:28+0800
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    1 Object 1

    AOE ID 59093
    NORAD ID 59093
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66748
    NORAD ID 66748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31343 UMBRA-11
    Time of Closest Approach 2026-09-03T10:21:26+0000
    Collision Probability (Pc) 3.129613E-5
    Conjunction Distance (km) 0.88 km
    Relative Speed (km/s) 9.779 km/s
    Conjunction Risk Parameters R (Radial): 0.794 | I (In-track): -0.291 | C (Cross-track): 0.244
    Collision Risk Index (CRI) 0.65
    X Position (km) 4460.355 4460.117
    Position Y (km) -2921.921 -2921.537
    Position Z (km) -4321.093 -4320.339
    Velocity X (km/s) 5.283 3.259
    Velocity Y (km/s) 5.115 -3.647
    Velocity Z (km/s) 1.996 5.839

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31343 UMBRA-11
    Semimajor Axis (a) 6861.196 km 6855.159 km
    Eccentricity (e) 0.000165 0.000311
    Inclination (i) 43.0061° 97.4134°
    RAAN 36.3318° 319.4852°
    Perigee Argument 277.6150° 79.2108°
    Mean Anomaly (M) 82.4514° 280.9482°
    Apogee 484.194 km 479.152 km
    Perigee 481.924 km 474.892 km
    Orbit Epoch 2026-09-01T19:25:11+0000 2026-09-02T04:41:55+0000

    STARLINK-31343 & UMBRA-11 Collision Probability (Pc) Trend

    STARLINK-31343 & UMBRA-11 Collision Probability (Pc) TrendNot Available

    STARLINK-31343 & UMBRA-11 Miss Distance (Miss Distance) Trend

    STARLINK-31343 & UMBRA-11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31343Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31343Collision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31343

    No nearby objects data